HYBRID HYPE: MINARELLI & CHINA DOLL, Motorized Symphony

Catch the excitement as we blend the best of both worlds in our latest project: the Minarelli & China Doll hybrid motorized bike. In this thrilling video, watch as we skilfully fuse the high-performance capabilities of a Minarelli cylinder with the robust reliability of a China Doll motor bottom end. This unique combination brings to life a motorbike that's not just a ride, but a statement of innovation and craftsmanship. Perfect for DIY enthusiasts and motorbike aficionados, this episode is all about pushing boundaries and creating something truly spectacular. Tune in to witness the birth of a motorized masterpiece!
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LA Hovers videos.
#1. Building the imported Minarelli/ the one he gave me, • A Noob Builds A Minare...
#2. Test ride, • DLH Performance 70cc M...
#3. • Motorized Bike Air Lea...
Thank you Andrew, aka LA Hover.

[@joeldelavega768]

I love LA Hover! If I ever win the lottery I'm going to find him. He's so cool!

[@johnvanabel7237]

Aza last oi_😊zzቀዐአፈአዐቸዠደ

[@JMB676]

Careful that sounds stalkerish, lol. Jk I know what you mean. It be fun to buy a sick bike and hand it over and just say let’s go cruise.

[@LLNewfie]

I have not yet ported any of my cylinder's, but I'll tell ya, I WILL be wearing a cape when I DO. Greatly appreciate you sharing your vast knowledge of these fun little engine's . TYVM

[@qgoods8036]

Great Job!

[@JMB676]

Thank you. I was just riding it yesterday for its first real ride and it was wonderful and very strong running.

[@Yffud1999]

Another great video, I enjoy them immensely. I hope it comes together as you hope.

[@JMB676]

Thank you brother I appreciate that. It makes me happy to hear you say you enjoy the videos. I try hard to make them watchable, lol.

[@diydarkmatter]

i watched this video cause johnnie made me .

[@KevinTodd]

🤣🤣

[@JMB676]

Damn right, now get back in your room…👉🏻

[@KevinTodd]

😅😅@@JMB676

[@JMB676]

This was a long video guys. Normally I would have split this into 2 separate videos but I really wanted to get it all in 1 for our HUGE MILESTONE that WE completed. I couldn’t have had any of this success without all of you that are watching. I hope you all enjoy the build, it was literally almost 12 hours of footage from the 2 ish weeks it took me to start the build with the 80cc for Purple Nightmare to come full circle to building and installing a fully built and ported to the hills MINARELLI. Stay with me as I tune it and get it ripping right and build a real pipe for it to pull every ounce of power out of it to see what my built Minarelli motor will make!!!

[@theLyzhendricks]

I hope to see some riding in the vid

[@leonardarola]

Always watching. The show is good and extremely entertaining. Thanks for sharing.

[@michaelbrinks8089]

Happy New Year Johnny !!! 🤔 I've been thinking more about legal cheap transportation loophole alternatives & think I found a solution for travel in cold & rain....If you get bored, look up "riding lawnmower DIY weather enclosures" They sell removable enclosures but are flimsy & expensive. So lot's of people diy make their own. A few turned out really good. They turned John Deere riding lawnmowers into mini looking tractors 🚜 with a headed cab enclosure painted yellow & green to match the mower & added a plow or slow blower attachment on front for winter. So you can mow in the summer, then plow in the winter. Plus you can pull a larger trailer & move heavier things than you can with a bike.. I wanna find a good used $500 mower. (I seen a good one recently for only $100 but was sold 1st day it was posted) Then build a cab for it & hopefully gear it to go 25-30mph while still able to mow at normal speeds..Keep an air pump on board & run the tires at lower pressure when going fast to soak up bumps.. That way I can ride around in a heated cab in winter & maybe make a few $$$ snow blowing driveways & mowing in summer. The trailer could carry chainsaw, weed trimmer, bush clippers, tools,etc...To make a litte landscaping cash on the side. I'm thinking that might be my best until I can/if I can, ever afford to get my van on the road.

[@fabiotiburzi]

you should cut the skirts on the transfer ports

[@JMB676]

@@fabiotiburzi yeah I seen someone else do that and to be honest it doesn’t make sense to me. When the transfers are being used (meaning having air forces up them) the piston is on the down stroke which literally is the same shape and in almost exactly the same spot as those walls so they are not in the way or blocking flow in anyway. And when the piston is up and the transfers aren’t being used if you remove them then you are raising the case volume the slightest bit. So I don’t see the benefit of doin it and to me I only see a downside if I did it. That’s why I left them.

[@estelallen]

Where did you get that little angle grinder

[@JMB676]

I got that one on Amazon. It was like 50-60 bucks I believe. It hooks directly into my flex shaft rotor tool that hangs in my cabinet and I can switch between that and my extra large chuck head that I have for it to accept 1/4 inch burr shafts, in case you don’t know most burrs for dremel tools are all 1/8 inch shafts. I wanted the 1/4 ability so I could buy the extra long 1/4inch shaft burrs I use cause it helps with one piece cylinders cause I use to do A LOT of yd100 motors only at one point.

[@GrahamGrocott-v3x]

I’ve just discovered your videos. There great and educational. There also really entertaining. Thanks very much for making them.

[@JMB676]

@@GrahamGrocott-v3x I’m glad you found us and thank you very much. I appreciate those kind words. I’ll keep doing my best to improve and share what I can.

[@BuildBreakFix]

Looking good 🚲💨💨💨💨💨💨use a 1" copper fitting for your plumbing if you can! They work awesome no sharp bends or restrictions! Makes a huge difference!

[@JMB676]

I’ll check if I need it, cause this was all only temporary anyway cause my new factory style reed came in early so I’m changing everything again. Well just the reeeds and manifold but the rest should stay properly.

[@MotorizedChuck]

Smolic makes the reed stuffers

[@JMB676]

@@MotorizedChuck yes they do but I’m actually not trying to to use a stuffer since it’s not the most efficient way to do it. I’m added the stock style reed plate which doesn’t need a stuffer since it holds the proper amount of volume already. It’s also just way cleaner too so I’m very happy with it so far.

[@AQUATICSLIVE]

Heck yeah man found your channel. Watched a bunch of your vids. Nice seeing the changes and your positive videos.

[@JMB676]

Thanks brother, I’m glad you enjoy them. I try my best to make the funny and teach something along the way.

[@benjaminvasquez7667]

Bro keep up the good work I love the videos that you are doing really I do all the sound effects are funny I'm here at home watching laughing my butt off at the same time I'm learning and I am proud that you are finally getting the minarelli done I can't wait to hear it screen and see one in up close in person for the first time 😊I wish I was there with you to help you😊 I miss my buddy😊 friends to the end Heidi ho hahaha

[@leonardarola]

We watching, carry on. Thanks for sharing.

[@DirectCurrent4u]

Very cool video! Nice work on the Piston. I would like to see how You balanced the crank? Looking forward to seeing the finished bike! These Little Minarelli's can putout some power with the right porting! They are really fun to build! 👍

[@jmrides777]

I got a great idea. Fine tune the $#@! out of the Minarelli. Then let Benny take it for a rip on video...😆

[@JMB676]

It be it’s last video…..lol. But it’s not a bad idea.

[@benjaminvasquez7667]

This is Benny I'm down with it if my buddy Johnnie is

[@jmrides777]

Hey Benny, how's it goin brother! Ok, we need to start a "Let Benny ride the Minarelli" movement on KZbin. This way poor Jonnie will have no choice but to let Benny ride the Minarelli to meet the demands of his 2000 subs😃

[@JMB676]

@@benjaminvasquez7667 we know your down with it lol.

[@JMB676]

@@jmrides777 I’m not sure I like you anymore….lol jk

[@grendelsgarage9723]

😂😂😂😂 brother this video had me going a few time. Love the sweatshirt and secand worst welder 😂😂😂 Great work man. 👏 can't wait to see how she runs with that carb tuned up. 😍 bro i can tell you put some time into editing this video 📹 🎉🎉🎉

[@JMB676]

It took me a few days to edit this video for sure, it was like 8 hours of raw footage that I went through to get what I got. Thanks, I’m glad you enjoyed it. I can’t wait to get it tuned up too. It’s goin to be a ripper.

[@KevinTodd]

✌👀👍

[@tiger7777]

Hey Johnnie's Motorized Bicycles thanks. Why do you drill oil holes in the piston wrist pin landings? The wrist pins do not swivel in the piston. The piston swivels only on the con-rod bearings. 🤔 By the way, nice welding promo 😂

[@JMB676]

There’s are not an interface fit and I found many wrist pins be ruined by no oiling which ends up in a lot of slop and destruction of the motor. I have shone this in many other videos what happened when there is no oiling to this area. So because of that I have started to drill every motor out now with a few of the same things no matter which motor I’m workin on because they are just reliability issues as far as I’m concerned. Since I started doing this I have never had an issue again with a wrist pin being destroyed.

[@philsparrowk-b3d]

I'm commenting prematurely because I need to work on my junk. Lol. I wouldn't use that china doll head you cleaned. I hate using them. I almost always be replace them with a high compression head because using that head makes it hard to upgrade your spark plug. An NGK can hit your no piston. I'd use the head they sent you. It " at least," made for that cylinder. I haven't seen the porting yet so I probably don't need to say this but open your transfer windows below your base and definitely port your intake wider. I think it's approximately .35 mm off of the centerline. Making it roughly be 70.mm. It can be +. I look forward to seeing the rest of the video. Sorry I commented early.

[@barrybretz6073]

I owned a 1976 Indian dirt bike. 76. Cc. Crazy torque, 5 sppeed climb 4 stories in coal mine stripper pits.. 14 newton meters. Look at old minarelli engine specs..

[@JMB676]

That sounds awesome, have you seen those 2 wheel drive off-road motorcycles. I can’t remember their name but they are super cool and I would love to get one of them to play with.

[@MotorizedChuck]

What chemicals do you use in your gudrosonic cleaner?

[@JMB676]

I just use a grease cutter for a commercial deep fryer that I got a hold of. It seems to work really well. I stay away from very harsh things but to be honest I’m still looking for that safe and crazy good cleaner even though my current one works very well I don’t think I can get it again when I run out.

[@travis48g]

You noticed the score pattern on the piston and cylinder walls.Did you notice that those score marks are right where the cylinder stud holes are?Those thin spots of the cylinder walls are going to get hotter and be less stable than thicker areas of the cylinder wall.That pattern of galling is not unique to your cylinder.I ran several cylinders both iron and aliminum and all galled the piston and cylinder walls in the same places yours did.I don't believe that any amount or type of oil or extra oil holes is going to fix the galling.Extra skirt clearance to allow for expansion is the only solution.Bad thing is that the extra clearance increases piston slap noise and decreases long term durability.I hope you prove my thoughts incorrect and have better success than I did with the minarelli.

[@JMB676]

Only time will tell but I haven’t had. Any issues yet but to be honest I run mostly iron sleeve cylinders and I am veryy custom to letting the cylinder warm up properly before I get on it and really tag its ass. Not letting these or iron sleeves get up to temp properly is the biggest issue who find with any of them. And as far as those dimples I can only hope and see how they perform if at all to help cushion with air and oil.

[@joebrown967]

Brother u mean DLH PERFORMANCE not dhl I think that’s a delivery company

[@JMB676]

Brother I was saying it both ways the whole time like a fool, what can I say. I’m better at building then talking i guess.😁

[@joebrown967]

@@JMB676 lol shit happens

[@MotorizedChuck]

Rofflmao. We know who dlh is. But Google changes it, screws with us

[@MotorizedChuck]

2 questions Johnny I over ported 2 cylinder exhausts. A friend says I can use JB weld original to put back material. As he repairs high end motorcycle engines. Rough up the area, heat it with a blow dryer and the same with the mixture. I tried harbor freight version and haven't checked it yet. Can you do a video on repairing cylinders and case match mistakes?? What's your experience with this and tests?

[@JMB676]

I have never tried repairing an exhaust port with it, I have thought about it but jb weld only can withstand about 500 degrees for about 10 (I have tested this) and will catch on fire with a lil more heat or just and open flame (this is how I remove any type of epoxy from any metal object cause epoxy/jb weld will just burn right off. So I say that to say I do not think that it would work and even worst I think it would last just long enough to give a false sense of security and then either burn up and do no harm and blow out the exhaust (best option) or burn up and break off and cause a catastrophic damage to the motor. So in case it’s not clear I DO NOT recommend doing it.

[@JMB676]

And as far as case matters h repairs I can definitely into that with an upcoming build I have planned.

[@keeganhache6667]

28:50😂

[@dustinh4175]

Welp my new motor kit showed up. It was supposed to be a 110cc iron sleeve but they sent me a yd100. Im ok with that and the gas tank mounting stud was bent 45° and I asked for a new tank and they just refunded half the money which I was also ok with. Got most of a yd kit for 60 bucks. Oh yeah the carb has a plastic float bowl, have you seen that before?

[@JMB676]

Yes they all have plastic bowls, at least all the carbs from the kits do.

[@dustinh4175]

@@JMB676 the bowl itself not the float inside

[@JMB676]

@@dustinh4175 o the bowl is, yes I have but not out of a kit. Either on a carb I bought like that or a bowl separately but never on a motor kit carb. That’s weird

[@philsparrowk-b3d]

PS. That zeda crank is probably not balanced.

[@pvk6665]

Hello. I don't understand, you in America make very good engine crankcases, crankshafts and everything else that goes with it. You can put a cylinder of the well-known Kuba brand on it, which really develops power and is durable. Please don't buy Chinese junk products, your joy of the low price will be short lived, and only the Chinese and maybe some middlemen will benefit from it.

[@JMB676]

I buy the cheap stuff cause it’s what I can afford and I spend the time making it better cause that’s what I really enjoy. I enjoy fixing the motors more than riding the bikes. So for now I’m just buy cheap junk or building something cool.

[@MotorizedChuck]

That cylinder is a Yamaha clone. They are actually ms440 or 460 chainsaw cylinders

[@JMB676]

Which cylinder? The Minarelli cylinder I put on?

[@MotorizedChuck]

Yes sir. You can verify this on bbf channel. Titled: What Most Misunderstood When you build or buy a MS 460 by build brake fix.

[@MotorizedChuck]

Ok after reading up on several phantom feeds, not at all a Yamaha clone. A Stihl ms460 cylinder with an ms380 piston. Higher quality replacement pistons are Meteor ms460 which you will need to use 2 base gaskets or the Hyway ms380 which should give you approx, .96" squish and whereas the 460 is nearly 1mm taller. Both of these pistons are domed and higher quality replacement

[@JMB676]

@@MotorizedChuck yeah the Minarelli cylinder is from a scooter with a completely different port profile anmany other differences just from looking at them next to each other and the ms460 cylinder is from a chainsaw also having may differences between the two and running completely different ways and make power in very different ways. As a whole they really share both with each other other then they are both 2 stroke cylinders.

[@philsparrowk-b3d]

Steel is not Iron. Sorry my metallurgy. You really should have opened up your transfer windows down to about 1 mm from the base surface.

[@joebrown967]

Lol